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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Rasesh Mody <rmody@marvell.com>,
	Shahed Shaikh <shshaikh@marvell.com>,
	Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>,
	Apeksha Gupta <apeksha.gupta@nxp.com>,
	Sachin Saxena <sachin.saxena@nxp.com>,
	Qi Zhang <qi.z.zhang@intel.com>,
	Xiao Wang <xiao.w.wang@intel.com>,
	Ziyang Xuan <xuanziyang2@huawei.com>,
	Xiaoyun Wang <cloud.wangxiaoyun@huawei.com>,
	Guoyang Zhou <zhouguoyang@huawei.com>,
	Beilei Xing <beilei.xing@intel.com>,
	Jingjing Wu <jingjing.wu@intel.com>,
	Qiming Yang <qiming.yang@intel.com>,
	Rosen Xu <rosen.xu@intel.com>,
	Haiyue Wang <haiyue.wang@intel.com>,
	Jiawen Wu <jiawenwu@trustnetic.com>,
	Jian Wang <jianwang@trustnetic.com>,
	Maxime Coquelin <maxime.coquelin@redhat.com>,
	Chenbo Xia <chenbo.xia@intel.com>,
	Olivier Matz <olivier.matz@6wind.com>
Cc: Ferruh Yigit <ferruh.yigit@intel.com>, dev@dpdk.org
Subject: [PATCH v2] net: add macro for VLAN header length
Date: Wed, 17 Nov 2021 18:08:02 +0000	[thread overview]
Message-ID: <20211117180802.2577014-1-ferruh.yigit@intel.com> (raw)
In-Reply-To: <20211110174029.614449-1-ferruh.yigit@intel.com>

Multiple drivers are defining macros for VLAN header length, to remove
the redundancy defining macro in the ether header.
And updated drivers to use the new macro.

Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Haiyue Wang <haiyue.wang@intel.com>
Acked-by: Rosen Xu <rosen.xu@intel.com>
Acked-by: Jiawen Wu <jiawenwu@trustnetic.com>

---
v2:
* update new enetfec driver too
* Add doxygen comment to macro
---
 drivers/net/bnx2x/bnx2x_vfpf.c       | 2 +-
 drivers/net/bnx2x/bnx2x_vfpf.h       | 2 --
 drivers/net/cxgbe/cxgbe_compat.h     | 1 -
 drivers/net/cxgbe/sge.c              | 2 +-
 drivers/net/enetfec/enet_ethdev.h    | 1 -
 drivers/net/enetfec/enet_rxtx.c      | 4 ++--
 drivers/net/fm10k/fm10k.h            | 2 --
 drivers/net/fm10k/fm10k_ethdev.c     | 2 +-
 drivers/net/hinic/hinic_pmd_ethdev.h | 3 +--
 drivers/net/i40e/i40e_ethdev.h       | 4 +---
 drivers/net/iavf/iavf.h              | 3 +--
 drivers/net/ice/ice_dcf_ethdev.c     | 2 +-
 drivers/net/ice/ice_ethdev.h         | 4 +---
 drivers/net/ipn3ke/ipn3ke_ethdev.h   | 3 +--
 drivers/net/ixgbe/ixgbe_ethdev.c     | 4 ++--
 drivers/net/ixgbe/ixgbe_ethdev.h     | 1 -
 drivers/net/ixgbe/ixgbe_rxtx.c       | 4 ++--
 drivers/net/ngbe/ngbe_ethdev.c       | 2 +-
 drivers/net/ngbe/ngbe_ethdev.h       | 1 -
 drivers/net/ngbe/ngbe_rxtx.c         | 2 +-
 drivers/net/txgbe/txgbe_ethdev.c     | 2 +-
 drivers/net/txgbe/txgbe_ethdev.h     | 1 -
 drivers/net/txgbe/txgbe_ethdev_vf.c  | 2 +-
 drivers/net/txgbe/txgbe_rxtx.c       | 4 ++--
 examples/vhost/main.c                | 3 +--
 lib/net/rte_ether.h                  | 5 +++--
 26 files changed, 25 insertions(+), 41 deletions(-)

diff --git a/drivers/net/bnx2x/bnx2x_vfpf.c b/drivers/net/bnx2x/bnx2x_vfpf.c
index 0e8a92cd336e..945e3df84ff8 100644
--- a/drivers/net/bnx2x/bnx2x_vfpf.c
+++ b/drivers/net/bnx2x/bnx2x_vfpf.c
@@ -54,7 +54,7 @@ bnx2x_check_bull(struct bnx2x_softc *sc)
 	if (valid_bitmap & (1 << MAC_ADDR_VALID) && memcmp(bull->mac, sc->old_bulletin.mac, ETH_ALEN))
 		rte_memcpy(&sc->link_params.mac_addr, bull->mac, ETH_ALEN);
 	if (valid_bitmap & (1 << VLAN_VALID))
-		rte_memcpy(&bull->vlan, &sc->old_bulletin.vlan, VLAN_HLEN);
+		rte_memcpy(&bull->vlan, &sc->old_bulletin.vlan, RTE_VLAN_HLEN);
 
 	sc->old_bulletin = *bull;
 
diff --git a/drivers/net/bnx2x/bnx2x_vfpf.h b/drivers/net/bnx2x/bnx2x_vfpf.h
index 7aab8b101aaa..957734126687 100644
--- a/drivers/net/bnx2x/bnx2x_vfpf.h
+++ b/drivers/net/bnx2x/bnx2x_vfpf.h
@@ -10,8 +10,6 @@
 
 #include "ecore_sp.h"
 
-#define VLAN_HLEN 4
-
 struct vf_resource_query {
 	uint8_t num_rxqs;
 	uint8_t num_txqs;
diff --git a/drivers/net/cxgbe/cxgbe_compat.h b/drivers/net/cxgbe/cxgbe_compat.h
index 83ae1c2e5a83..8d3737fc6100 100644
--- a/drivers/net/cxgbe/cxgbe_compat.h
+++ b/drivers/net/cxgbe/cxgbe_compat.h
@@ -75,7 +75,6 @@ extern int cxgbe_mbox_logtype;
 #define CXGBE_ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
 #define PTR_ALIGN(p, a) ((typeof(p))CXGBE_ALIGN((unsigned long)(p), (a)))
 
-#define VLAN_HLEN 4
 #define ETHER_ADDR_LEN 6
 
 #define rmb()     rte_rmb() /* dpdk rte provided rmb */
diff --git a/drivers/net/cxgbe/sge.c b/drivers/net/cxgbe/sge.c
index 9e464cb3da9f..f623f3e68420 100644
--- a/drivers/net/cxgbe/sge.c
+++ b/drivers/net/cxgbe/sge.c
@@ -72,7 +72,7 @@ static inline unsigned int fl_mtu_bufsize(struct adapter *adapter,
 {
 	struct sge *s = &adapter->sge;
 
-	return CXGBE_ALIGN(s->pktshift + RTE_ETHER_HDR_LEN + VLAN_HLEN + mtu,
+	return CXGBE_ALIGN(s->pktshift + RTE_ETHER_HDR_LEN + RTE_VLAN_HLEN + mtu,
 			   s->fl_align);
 }
 
diff --git a/drivers/net/enetfec/enet_ethdev.h b/drivers/net/enetfec/enet_ethdev.h
index 798b6eee05bd..573b0672cd65 100644
--- a/drivers/net/enetfec/enet_ethdev.h
+++ b/drivers/net/enetfec/enet_ethdev.h
@@ -10,7 +10,6 @@
 #define BD_LEN			49152
 #define ENETFEC_TX_FR_SIZE	2048
 #define ETH_HLEN		RTE_ETHER_HDR_LEN
-#define VLAN_HLEN		4
 
 /* full duplex */
 #define FULL_DUPLEX		0x00
diff --git a/drivers/net/enetfec/enet_rxtx.c b/drivers/net/enetfec/enet_rxtx.c
index eac5ccf69bb7..49b326315dde 100644
--- a/drivers/net/enetfec/enet_rxtx.c
+++ b/drivers/net/enetfec/enet_rxtx.c
@@ -111,9 +111,9 @@ enetfec_recv_pkts(void *rxq1, struct rte_mbuf **rx_pkts,
 			vlan_tag = rte_be_to_cpu_16(vlan_header->vlan_tci);
 
 			vlan_packet_rcvd = true;
-			memmove((uint8_t *)mbuf_data + VLAN_HLEN,
+			memmove((uint8_t *)mbuf_data + RTE_VLAN_HLEN,
 				data, RTE_ETHER_ADDR_LEN * 2);
-			rte_pktmbuf_adj(mbuf, VLAN_HLEN);
+			rte_pktmbuf_adj(mbuf, RTE_VLAN_HLEN);
 		}
 
 		if (rxq->fep->bufdesc_ex &&
diff --git a/drivers/net/fm10k/fm10k.h b/drivers/net/fm10k/fm10k.h
index b7522a47a80b..7cfa29faa85a 100644
--- a/drivers/net/fm10k/fm10k.h
+++ b/drivers/net/fm10k/fm10k.h
@@ -81,8 +81,6 @@
 	RTE_MIN(((txq)->nb_desc - 2), (txq)->free_thresh)
 #define FM10K_TX_RS_THRESH_DIV(txq)        ((txq)->nb_desc)
 
-#define FM10K_VLAN_TAG_SIZE 4
-
 /* Maximum number of MAC addresses per PF/VF */
 #define FM10K_MAX_MACADDR_NUM       64
 
diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index c25c32314065..7c85a057466a 100644
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -759,7 +759,7 @@ fm10k_dev_rx_init(struct rte_eth_dev *dev)
 
 		/* It adds dual VLAN length for supporting dual VLAN */
 		if ((dev->data->mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN +
-				2 * FM10K_VLAN_TAG_SIZE) > buf_size ||
+				2 * RTE_VLAN_HLEN) > buf_size ||
 			rxq->offloads & RTE_ETH_RX_OFFLOAD_SCATTER) {
 			uint32_t reg;
 			dev->data->scattered_rx = 1;
diff --git a/drivers/net/hinic/hinic_pmd_ethdev.h b/drivers/net/hinic/hinic_pmd_ethdev.h
index 8f1b3d58886f..5eca8b10b9e1 100644
--- a/drivers/net/hinic/hinic_pmd_ethdev.h
+++ b/drivers/net/hinic/hinic_pmd_ethdev.h
@@ -35,9 +35,8 @@
 #define HINIC_MAX_MTU_SIZE              9600
 #define HINIC_MIN_MTU_SIZE              256
 
-#define HINIC_VLAN_TAG_SIZE             4
 #define HINIC_ETH_OVERHEAD \
-	(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + HINIC_VLAN_TAG_SIZE * 2)
+	(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + RTE_VLAN_HLEN * 2)
 
 #define HINIC_MIN_FRAME_SIZE        (HINIC_MIN_MTU_SIZE + HINIC_ETH_OVERHEAD)
 #define HINIC_MAX_JUMBO_FRAME_SIZE  (HINIC_MAX_MTU_SIZE + HINIC_ETH_OVERHEAD)
diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
index d8042abbd9be..2d182f8000a6 100644
--- a/drivers/net/i40e/i40e_ethdev.h
+++ b/drivers/net/i40e/i40e_ethdev.h
@@ -27,8 +27,6 @@
  */
 #define I40E_GL_RXERR1_H(_i)	(0x00318004 + ((_i) * 8))
 
-#define I40E_VLAN_TAG_SIZE        4
-
 #define I40E_AQ_LEN               32
 #define I40E_AQ_BUF_SZ            4096
 /* Number of queues per TC should be one of 1, 2, 4, 8, 16, 32, 64 */
@@ -292,7 +290,7 @@ struct rte_flow {
  * Considering QinQ packet, the VLAN tag needs to be counted twice.
  */
 #define I40E_ETH_OVERHEAD \
-	(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + I40E_VLAN_TAG_SIZE * 2)
+	(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + RTE_VLAN_HLEN * 2)
 #define I40E_ETH_MAX_LEN (RTE_ETHER_MTU + I40E_ETH_OVERHEAD)
 
 #define I40E_RXTX_BYTES_H_16_BIT(bytes) ((bytes) & ~I40E_48_BIT_MASK)
diff --git a/drivers/net/iavf/iavf.h b/drivers/net/iavf/iavf.h
index f413dbed833a..0bb5698583ba 100644
--- a/drivers/net/iavf/iavf.h
+++ b/drivers/net/iavf/iavf.h
@@ -78,9 +78,8 @@
 /* The overhead from MTU to max frame size.
  * Considering QinQ packet, the VLAN tag needs to be counted twice.
  */
-#define IAVF_VLAN_TAG_SIZE               4
 #define IAVF_ETH_OVERHEAD \
-	(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + IAVF_VLAN_TAG_SIZE * 2)
+	(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + RTE_VLAN_HLEN * 2)
 #define IAVF_ETH_MAX_LEN (RTE_ETHER_MTU + IAVF_ETH_OVERHEAD)
 
 #define IAVF_32_BIT_WIDTH (CHAR_BIT * 4)
diff --git a/drivers/net/ice/ice_dcf_ethdev.c b/drivers/net/ice/ice_dcf_ethdev.c
index d1e675764127..28f7f7fb72c4 100644
--- a/drivers/net/ice/ice_dcf_ethdev.c
+++ b/drivers/net/ice/ice_dcf_ethdev.c
@@ -81,7 +81,7 @@ ice_dcf_init_rxq(struct rte_eth_dev *dev, struct ice_rx_queue *rxq)
 
 	rxq->max_pkt_len = max_pkt_len;
 	if ((dev_data->dev_conf.rxmode.offloads & RTE_ETH_RX_OFFLOAD_SCATTER) ||
-	    (rxq->max_pkt_len + 2 * ICE_VLAN_TAG_SIZE) > buf_size) {
+	    (rxq->max_pkt_len + 2 * RTE_VLAN_HLEN) > buf_size) {
 		dev_data->scattered_rx = 1;
 	}
 	rxq->qrx_tail = hw->hw_addr + IAVF_QRX_TAIL1(rxq->queue_id);
diff --git a/drivers/net/ice/ice_ethdev.h b/drivers/net/ice/ice_ethdev.h
index f8d0f0c6ee26..11f7eb435233 100644
--- a/drivers/net/ice/ice_ethdev.h
+++ b/drivers/net/ice/ice_ethdev.h
@@ -14,8 +14,6 @@
 #include "base/ice_adminq_cmd.h"
 #include "base/ice_flow.h"
 
-#define ICE_VLAN_TAG_SIZE        4
-
 #define ICE_ADMINQ_LEN               32
 #define ICE_SBIOQ_LEN                32
 #define ICE_MAILBOXQ_LEN             32
@@ -136,7 +134,7 @@
  * Considering QinQ packet, the VLAN tag needs to be counted twice.
  */
 #define ICE_ETH_OVERHEAD \
-	(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + ICE_VLAN_TAG_SIZE * 2)
+	(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + RTE_VLAN_HLEN * 2)
 #define ICE_ETH_MAX_LEN (RTE_ETHER_MTU + ICE_ETH_OVERHEAD)
 
 #define ICE_RXTX_BYTES_HIGH(bytes) ((bytes) & ~ICE_40_BIT_MASK)
diff --git a/drivers/net/ipn3ke/ipn3ke_ethdev.h b/drivers/net/ipn3ke/ipn3ke_ethdev.h
index ba3f8821e235..041f13d9c365 100644
--- a/drivers/net/ipn3ke/ipn3ke_ethdev.h
+++ b/drivers/net/ipn3ke/ipn3ke_ethdev.h
@@ -633,13 +633,12 @@ ipn3ke_tm_ops_get(struct rte_eth_dev *ethdev,
 #define IPN3KE_MAC_RX_FRAME_CONTROL_EN_ALLMCAST_MASK \
 	IPN3KE_MASK(0x1, IPN3KE_MAC_RX_FRAME_CONTROL_EN_ALLMCAST_SHIFT)
 
-#define IPN3KE_VLAN_TAG_SIZE    4
 /**
  * The overhead from MTU to max frame size.
  * Considering QinQ packet, the VLAN tag needs to be counted twice.
  */
 #define IPN3KE_ETH_OVERHEAD \
-	(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + IPN3KE_VLAN_TAG_SIZE * 2)
+	(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + RTE_VLAN_HLEN * 2)
 #define IPN3KE_ETH_MAX_LEN (RTE_ETHER_MTU + IPN3KE_ETH_OVERHEAD)
 
 #define IPN3KE_MAC_FRAME_SIZE_MAX    9728
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 1911cf2fab05..fe61dba81d68 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -5173,7 +5173,7 @@ ixgbe_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 	 * scattered packets when this feature has not been enabled before.
 	 */
 	if (dev->data->dev_started && !dev->data->scattered_rx &&
-	    frame_size + 2 * IXGBE_VLAN_TAG_SIZE >
+	    frame_size + 2 * RTE_VLAN_HLEN >
 			dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM) {
 		PMD_INIT_LOG(ERR, "Stop port first.");
 		return -EINVAL;
@@ -6341,7 +6341,7 @@ ixgbevf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
 	 * scattered packets when this feature has not been enabled before.
 	 */
 	if (dev_data->dev_started && !dev_data->scattered_rx &&
-	    (max_frame + 2 * IXGBE_VLAN_TAG_SIZE >
+	    (max_frame + 2 * RTE_VLAN_HLEN >
 			dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)) {
 		PMD_INIT_LOG(ERR, "Stop port first.");
 		return -EINVAL;
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.h b/drivers/net/ixgbe/ixgbe_ethdev.h
index 876b670f2682..83e8b5e56a6f 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.h
+++ b/drivers/net/ixgbe/ixgbe_ethdev.h
@@ -43,7 +43,6 @@
 #define IXGBE_NB_STAT_MAPPING_REGS  32
 #define IXGBE_EXTENDED_VLAN	  (uint32_t)(1 << 26) /* EXTENDED VLAN ENABLE */
 #define IXGBE_VFTA_SIZE 128
-#define IXGBE_VLAN_TAG_SIZE 4
 #define IXGBE_HKEY_MAX_INDEX 10
 #define IXGBE_MAX_RX_QUEUE_NUM	128
 #define IXGBE_MAX_INTR_QUEUE_NUM	15
diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c
index cd259430461a..d7c80d424263 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx.c
@@ -5153,7 +5153,7 @@ ixgbe_dev_rx_init(struct rte_eth_dev *dev)
 				       IXGBE_SRRCTL_BSIZEPKT_SHIFT);
 
 		/* It adds dual VLAN length for supporting dual VLAN */
-		if (frame_size + 2 * IXGBE_VLAN_TAG_SIZE > buf_size)
+		if (frame_size + 2 * RTE_VLAN_HLEN > buf_size)
 			dev->data->scattered_rx = 1;
 		if (rxq->offloads & RTE_ETH_RX_OFFLOAD_VLAN_STRIP)
 			rx_conf->offloads |= RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
@@ -5729,7 +5729,7 @@ ixgbevf_dev_rx_init(struct rte_eth_dev *dev)
 
 		if (rxmode->offloads & RTE_ETH_RX_OFFLOAD_SCATTER ||
 		    /* It adds dual VLAN length for supporting dual VLAN */
-		    (frame_size + 2 * IXGBE_VLAN_TAG_SIZE) > buf_size) {
+		    (frame_size + 2 * RTE_VLAN_HLEN) > buf_size) {
 			if (!dev->data->scattered_rx)
 				PMD_INIT_LOG(DEBUG, "forcing scatter mode");
 			dev->data->scattered_rx = 1;
diff --git a/drivers/net/ngbe/ngbe_ethdev.c b/drivers/net/ngbe/ngbe_ethdev.c
index 775789f59607..981592f7f495 100644
--- a/drivers/net/ngbe/ngbe_ethdev.c
+++ b/drivers/net/ngbe/ngbe_ethdev.c
@@ -2488,7 +2488,7 @@ ngbe_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 	 * scattered packets when this feature has not been enabled before.
 	 */
 	if (dev_data->dev_started && !dev_data->scattered_rx &&
-	    (frame_size + 2 * NGBE_VLAN_TAG_SIZE >
+	    (frame_size + 2 * RTE_VLAN_HLEN >
 	     dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)) {
 		PMD_INIT_LOG(ERR, "Stop port first.");
 		return -EINVAL;
diff --git a/drivers/net/ngbe/ngbe_ethdev.h b/drivers/net/ngbe/ngbe_ethdev.h
index c68582e5aea5..bb96f6a5e7e0 100644
--- a/drivers/net/ngbe/ngbe_ethdev.h
+++ b/drivers/net/ngbe/ngbe_ethdev.h
@@ -19,7 +19,6 @@
 #define NGBE_FLAG_NEED_LINK_CONFIG  ((uint32_t)(1 << 4))
 
 #define NGBE_VFTA_SIZE 128
-#define NGBE_VLAN_TAG_SIZE 4
 #define NGBE_HKEY_MAX_INDEX 10
 /*Default value of Max Rx Queue*/
 #define NGBE_MAX_RX_QUEUE_NUM	8
diff --git a/drivers/net/ngbe/ngbe_rxtx.c b/drivers/net/ngbe/ngbe_rxtx.c
index 0feea92588a1..86a5ef5486ec 100644
--- a/drivers/net/ngbe/ngbe_rxtx.c
+++ b/drivers/net/ngbe/ngbe_rxtx.c
@@ -2951,7 +2951,7 @@ ngbe_dev_rx_init(struct rte_eth_dev *dev)
 
 		/* It adds dual VLAN length for supporting dual VLAN */
 		if (dev->data->mtu + NGBE_ETH_OVERHEAD +
-				2 * NGBE_VLAN_TAG_SIZE > buf_size)
+				2 * RTE_VLAN_HLEN > buf_size)
 			dev->data->scattered_rx = 1;
 		if (rxq->offloads & RTE_ETH_RX_OFFLOAD_VLAN_STRIP)
 			rx_conf->offloads |= RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c
index 04afc6134142..47d0e6ea40f2 100644
--- a/drivers/net/txgbe/txgbe_ethdev.c
+++ b/drivers/net/txgbe/txgbe_ethdev.c
@@ -3461,7 +3461,7 @@ txgbe_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 	 * scattered packets when this feature has not been enabled before.
 	 */
 	if (dev_data->dev_started && !dev_data->scattered_rx &&
-	    (frame_size + 2 * TXGBE_VLAN_TAG_SIZE >
+	    (frame_size + 2 * RTE_VLAN_HLEN >
 	     dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)) {
 		PMD_INIT_LOG(ERR, "Stop port first.");
 		return -EINVAL;
diff --git a/drivers/net/txgbe/txgbe_ethdev.h b/drivers/net/txgbe/txgbe_ethdev.h
index 8304b68292da..262dbb5e38ff 100644
--- a/drivers/net/txgbe/txgbe_ethdev.h
+++ b/drivers/net/txgbe/txgbe_ethdev.h
@@ -36,7 +36,6 @@
  * FreeBSD driver.
  */
 #define TXGBE_VFTA_SIZE 128
-#define TXGBE_VLAN_TAG_SIZE 4
 #define TXGBE_HKEY_MAX_INDEX 10
 /*Default value of Max Rx Queue*/
 #define TXGBE_MAX_RX_QUEUE_NUM	128
diff --git a/drivers/net/txgbe/txgbe_ethdev_vf.c b/drivers/net/txgbe/txgbe_ethdev_vf.c
index 67ae69dec30a..c7c298ae2d02 100644
--- a/drivers/net/txgbe/txgbe_ethdev_vf.c
+++ b/drivers/net/txgbe/txgbe_ethdev_vf.c
@@ -1111,7 +1111,7 @@ txgbevf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
 	 * scattered packets when this feature has not been enabled before.
 	 */
 	if (dev_data->dev_started && !dev_data->scattered_rx &&
-	    (max_frame + 2 * TXGBE_VLAN_TAG_SIZE >
+	    (max_frame + 2 * RTE_VLAN_HLEN >
 	     dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)) {
 		PMD_INIT_LOG(ERR, "Stop port first.");
 		return -EINVAL;
diff --git a/drivers/net/txgbe/txgbe_rxtx.c b/drivers/net/txgbe/txgbe_rxtx.c
index 497af8d22d23..35b77cb271ba 100644
--- a/drivers/net/txgbe/txgbe_rxtx.c
+++ b/drivers/net/txgbe/txgbe_rxtx.c
@@ -4389,7 +4389,7 @@ txgbe_dev_rx_init(struct rte_eth_dev *dev)
 
 		/* It adds dual VLAN length for supporting dual VLAN */
 		if (dev->data->mtu + TXGBE_ETH_OVERHEAD +
-				2 * TXGBE_VLAN_TAG_SIZE > buf_size)
+				2 * RTE_VLAN_HLEN > buf_size)
 			dev->data->scattered_rx = 1;
 		if (rxq->offloads & RTE_ETH_RX_OFFLOAD_VLAN_STRIP)
 			rx_conf->offloads |= RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
@@ -4906,7 +4906,7 @@ txgbevf_dev_rx_init(struct rte_eth_dev *dev)
 		if (rxmode->offloads & RTE_ETH_RX_OFFLOAD_SCATTER ||
 		    /* It adds dual VLAN length for supporting dual VLAN */
 		    (dev->data->mtu + TXGBE_ETH_OVERHEAD +
-				2 * TXGBE_VLAN_TAG_SIZE) > buf_size) {
+				2 * RTE_VLAN_HLEN) > buf_size) {
 			if (!dev->data->scattered_rx)
 				PMD_INIT_LOG(DEBUG, "forcing scatter mode");
 			dev->data->scattered_rx = 1;
diff --git a/examples/vhost/main.c b/examples/vhost/main.c
index 8bf61b32b669..33d023aa3973 100644
--- a/examples/vhost/main.c
+++ b/examples/vhost/main.c
@@ -195,7 +195,6 @@ struct vhost_bufftable *vhost_txbuff[RTE_MAX_LCORE * MAX_VHOST_DEVICE];
 
 #define MBUF_TABLE_DRAIN_TSC	((rte_get_tsc_hz() + US_PER_S - 1) \
 				 / US_PER_S * BURST_TX_DRAIN_US)
-#define VLAN_HLEN       4
 
 static inline int
 open_dma(const char *value)
@@ -1015,7 +1014,7 @@ find_local_dest(struct vhost_dev *vdev, struct rte_mbuf *m,
 	 * by minus length of vlan tag, so need restore
 	 * the packet length by plus it.
 	 */
-	*offset  = VLAN_HLEN;
+	*offset  = RTE_VLAN_HLEN;
 	*vlan_tag = vlan_tags[vdev->vid];
 
 	RTE_LOG_DP(DEBUG, VHOST_DATA,
diff --git a/lib/net/rte_ether.h b/lib/net/rte_ether.h
index 1a0dbf0d607c..3d9852d9e29a 100644
--- a/lib/net/rte_ether.h
+++ b/lib/net/rte_ether.h
@@ -35,9 +35,10 @@ extern "C" {
 	(RTE_ETHER_MAX_LEN - RTE_ETHER_HDR_LEN - \
 		RTE_ETHER_CRC_LEN) /**< Ethernet MTU. */
 
+#define RTE_VLAN_HLEN       4  /**< VLAN (IEEE 802.1Q) header length. */
+/** Maximum VLAN frame length (excluding QinQ), including CRC. */
 #define RTE_ETHER_MAX_VLAN_FRAME_LEN \
-	(RTE_ETHER_MAX_LEN + 4)
-	/**< Maximum VLAN frame length, including CRC. */
+	(RTE_ETHER_MAX_LEN + RTE_VLAN_HLEN)
 
 #define RTE_ETHER_MAX_JUMBO_FRAME_LEN \
 	0x3F00 /**< Maximum Jumbo frame length, including CRC. */
-- 
2.31.1


  parent reply	other threads:[~2021-11-17 18:08 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-10 17:40 [PATCH] " Ferruh Yigit
2021-11-11  1:34 ` Wang, Haiyue
2021-11-12  2:36 ` Xu, Rosen
2021-11-12  6:09 ` Jiawen Wu
2021-11-16 23:14 ` Thomas Monjalon
2021-11-17 10:00   ` Ferruh Yigit
2021-11-17 10:02     ` Thomas Monjalon
2021-11-17 10:12       ` Ferruh Yigit
2021-11-17 18:08 ` Ferruh Yigit [this message]
2021-11-17 18:24 ` [PATCH v3] " Ferruh Yigit
2021-11-17 18:54   ` Thomas Monjalon

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